Project Blue Book Special Report No. 14: The Air Force's Own

Project Blue Book Special Report No. 14: The Air Force's Own 1955 UFO Study, Now in CIA Release

The Air Force's 1955 Project Blue Book Special Report No. 14 analyzed roughly 4,000 UFO reports and concluded it was 'highly improbable' they represented unknown technology — while also admitting a 'significant number' of reports by reliable observers remained unexplained.

Published

October 5, 2026

Declassified

Date not listed

Source agency

The Black Vault (FOIA archive)

ufociafoiaprojectbluebookspecialair

What Special Report No. 14 Actually Concluded

The Air Technical Force ever produced on the subject of unidentified aerial objects. Prepared at Wright-Patterson Air Force Base in Ohio, the study set out to subject roughly 4,000 sighting reports to systematic, machine-assisted analysis rather than anecdotal review. Its central finding was blunt: it was "highly improbable" that the objects examined represented technological developments outside the range of present-day scientific knowledge.

" Those two statements have traveled far beyond the document that contained them. Read together, they frame the report's posture: a deliberate refusal to treat unexplained observations as evidence of extraordinary craft, coupled with an acknowledgment that the observational record itself was thin. The study's own architecture reflects that caution.

A panel of scientists both inside and outside the Air Force shaped the effort, and the data were reduced to IBM punched-card abstracts so that frequency distributions, chi-square tests, and characteristic profiles could be run across thousands of…

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Based on the official release at https://www.theblackvault.com/documentarchive/project-blue-book-special-report-14-may-5-1955/

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